1#!/bin/sh
2#
3# git-submodule.sh: add, init, update or list git submodules
4#
5# Copyright (c) 2007 Lars Hjemli
6dashless=$(basename "$0" | sed -e 's/-/ /')
8USAGE="[--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <repository>] [--] <repository> [<path>]
9 or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
10 or: $dashless [--quiet] init [--] [<path>...]
11 or: $dashless [--quiet] deinit [-f|--force] (--all| [--] <path>...)
12 or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--] [<path>...]
13 or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
14 or: $dashless [--quiet] foreach [--recursive] <command>
15 or: $dashless [--quiet] sync [--recursive] [--] [<path>...]
16 or: $dashless [--quiet] absorbgitdirs [--] [<path>...]"
17OPTIONS_SPEC=
18SUBDIRECTORY_OK=Yes
19. git-sh-setup
20. git-parse-remote
21require_work_tree
22wt_prefix=$(git rev-parse --show-prefix)
23cd_to_toplevel
24# Tell the rest of git that any URLs we get don't come
26# directly from the user, so it can apply policy as appropriate.
27GIT_PROTOCOL_FROM_USER=0
28export GIT_PROTOCOL_FROM_USER
29command=
31branch=
32force=
33reference=
34cached=
35recursive=
36init=
37files=
38remote=
39nofetch=
40update=
41prefix=
42custom_name=
43depth=
44progress=
45dissociate=
46die_if_unmatched ()
48{
49 if test "$1" = "#unmatched"
50 then
51 exit ${2:-1}
52 fi
53}
54#
56# Print a submodule configuration setting
57#
58# $1 = submodule name
59# $2 = option name
60# $3 = default value
61#
62# Checks in the usual git-config places first (for overrides),
63# otherwise it falls back on .gitmodules. This allows you to
64# distribute project-wide defaults in .gitmodules, while still
65# customizing individual repositories if necessary. If the option is
66# not in .gitmodules either, print a default value.
67#
68get_submodule_config () {
69 name="$1"
70 option="$2"
71 default="$3"
72 value=$(git config submodule."$name"."$option")
73 if test -z "$value"
74 then
75 value=$(git submodule--helper config submodule."$name"."$option")
76 fi
77 printf '%s' "${value:-$default}"
78}
79isnumber()
81{
82 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
83}
84# Given a full hex object ID, is this the zero OID?
86is_zero_oid () {
87 echo "$1" | sane_egrep '^0+$' >/dev/null 2>&1
88}
89# Sanitize the local git environment for use within a submodule. We
91# can't simply use clear_local_git_env since we want to preserve some
92# of the settings from GIT_CONFIG_PARAMETERS.
93sanitize_submodule_env()
94{
95 save_config=$GIT_CONFIG_PARAMETERS
96 clear_local_git_env
97 GIT_CONFIG_PARAMETERS=$save_config
98 export GIT_CONFIG_PARAMETERS
99}
100#
102# Add a new submodule to the working tree, .gitmodules and the index
103#
104# $@ = repo path
105#
106# optional branch is stored in global branch variable
107#
108cmd_add()
109{
110 # parse $args after "submodule ... add".
111 reference_path=
112 while test $# -ne 0
113 do
114 case "$1" in
115 -b | --branch)
116 case "$2" in '') usage ;; esac
117 branch=$2
118 shift
119 ;;
120 -f | --force)
121 force=$1
122 ;;
123 -q|--quiet)
124 GIT_QUIET=1
125 ;;
126 --progress)
127 progress=1
128 ;;
129 --reference)
130 case "$2" in '') usage ;; esac
131 reference_path=$2
132 shift
133 ;;
134 --reference=*)
135 reference_path="${1#--reference=}"
136 ;;
137 --dissociate)
138 dissociate=1
139 ;;
140 --name)
141 case "$2" in '') usage ;; esac
142 custom_name=$2
143 shift
144 ;;
145 --depth)
146 case "$2" in '') usage ;; esac
147 depth="--depth=$2"
148 shift
149 ;;
150 --depth=*)
151 depth=$1
152 ;;
153 --)
154 shift
155 break
156 ;;
157 -*)
158 usage
159 ;;
160 *)
161 break
162 ;;
163 esac
164 shift
165 done
166 if ! git submodule--helper config --check-writeable >/dev/null 2>&1
168 then
169 die "$(eval_gettext "please make sure that the .gitmodules file is in the working tree")"
170 fi
171 if test -n "$reference_path"
173 then
174 is_absolute_path "$reference_path" ||
175 reference_path="$wt_prefix$reference_path"
176 reference="--reference=$reference_path"
178 fi
179 repo=$1
181 sm_path=$2
182 if test -z "$sm_path"; then
184 sm_path=$(printf '%s\n' "$repo" |
185 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
186 fi
187 if test -z "$repo" || test -z "$sm_path"; then
189 usage
190 fi
191 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
193 # assure repo is absolute or relative to parent
195 case "$repo" in
196 ./*|../*)
197 test -z "$wt_prefix" ||
198 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
199 # dereference source url relative to parent's url
201 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
202 ;;
203 *:*|/*)
204 # absolute url
205 realrepo=$repo
206 ;;
207 *)
208 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
209 ;;
210 esac
211 # normalize path:
213 # multiple //; leading ./; /./; /../; trailing /
214 sm_path=$(printf '%s/\n' "$sm_path" |
215 sed -e '
216 s|//*|/|g
217 s|^\(\./\)*||
218 s|/\(\./\)*|/|g
219 :start
220 s|\([^/]*\)/\.\./||
221 tstart
222 s|/*$||
223 ')
224 if test -z "$force"
225 then
226 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
227 die "$(eval_gettext "'\$sm_path' already exists in the index")"
228 else
229 git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 &&
230 die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
231 fi
232 if test -d "$sm_path" &&
234 test -z $(git -C "$sm_path" rev-parse --show-cdup 2>/dev/null)
235 then
236 git -C "$sm_path" rev-parse --verify -q HEAD >/dev/null ||
237 die "$(eval_gettext "'\$sm_path' does not have a commit checked out")"
238 fi
239 if test -z "$force" &&
241 ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
242 then
243 eval_gettextln "The following path is ignored by one of your .gitignore files:
244\$sm_path
245Use -f if you really want to add it." >&2
246 exit 1
247 fi
248 if test -n "$custom_name"
250 then
251 sm_name="$custom_name"
252 else
253 sm_name="$sm_path"
254 fi
255 if ! git submodule--helper check-name "$sm_name"
257 then
258 die "$(eval_gettext "'$sm_name' is not a valid submodule name")"
259 fi
260 # perhaps the path exists and is already a git repo, else clone it
262 if test -e "$sm_path"
263 then
264 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
265 then
266 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
267 else
268 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
269 fi
270 else
272 if test -d ".git/modules/$sm_name"
273 then
274 if test -z "$force"
275 then
276 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
277 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
278 die "$(eval_gettextln "\
279If you want to reuse this local git directory instead of cloning again from
280 \$realrepo
281use the '--force' option. If the local git directory is not the correct repo
282or you are unsure what this means choose another name with the '--name' option.")"
283 else
284 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
285 fi
286 fi
287 git submodule--helper clone ${GIT_QUIET:+--quiet} ${progress:+"--progress"} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${dissociate:+"--dissociate"} ${depth:+"$depth"} || exit
288 (
289 sanitize_submodule_env
290 cd "$sm_path" &&
291 # ash fails to wordsplit ${branch:+-b "$branch"...}
292 case "$branch" in
293 '') git checkout -f -q ;;
294 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
295 esac
296 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
297 fi
298 git config submodule."$sm_name".url "$realrepo"
299 git add --no-warn-embedded-repo $force "$sm_path" ||
301 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
302 git submodule--helper config submodule."$sm_name".path "$sm_path" &&
304 git submodule--helper config submodule."$sm_name".url "$repo" &&
305 if test -n "$branch"
306 then
307 git submodule--helper config submodule."$sm_name".branch "$branch"
308 fi &&
309 git add --force .gitmodules ||
310 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
311 # NEEDSWORK: In a multi-working-tree world, this needs to be
313 # set in the per-worktree config.
314 if git config --get submodule.active >/dev/null
315 then
316 # If the submodule being adding isn't already covered by the
317 # current configured pathspec, set the submodule's active flag
318 if ! git submodule--helper is-active "$sm_path"
319 then
320 git config submodule."$sm_name".active "true"
321 fi
322 else
323 git config submodule."$sm_name".active "true"
324 fi
325}
326#
328# Execute an arbitrary command sequence in each checked out
329# submodule
330#
331# $@ = command to execute
332#
333cmd_foreach()
334{
335 # parse $args after "submodule ... foreach".
336 while test $# -ne 0
337 do
338 case "$1" in
339 -q|--quiet)
340 GIT_QUIET=1
341 ;;
342 --recursive)
343 recursive=1
344 ;;
345 -*)
346 usage
347 ;;
348 *)
349 break
350 ;;
351 esac
352 shift
353 done
354 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
356}
357#
359# Register submodules in .git/config
360#
361# $@ = requested paths (default to all)
362#
363cmd_init()
364{
365 # parse $args after "submodule ... init".
366 while test $# -ne 0
367 do
368 case "$1" in
369 -q|--quiet)
370 GIT_QUIET=1
371 ;;
372 --)
373 shift
374 break
375 ;;
376 -*)
377 usage
378 ;;
379 *)
380 break
381 ;;
382 esac
383 shift
384 done
385 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
387}
388#
390# Unregister submodules from .git/config and remove their work tree
391#
392cmd_deinit()
393{
394 # parse $args after "submodule ... deinit".
395 deinit_all=
396 while test $# -ne 0
397 do
398 case "$1" in
399 -f|--force)
400 force=$1
401 ;;
402 -q|--quiet)
403 GIT_QUIET=1
404 ;;
405 --all)
406 deinit_all=t
407 ;;
408 --)
409 shift
410 break
411 ;;
412 -*)
413 usage
414 ;;
415 *)
416 break
417 ;;
418 esac
419 shift
420 done
421 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
423}
424is_tip_reachable () (
426 sanitize_submodule_env &&
427 cd "$1" &&
428 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
429 test -z "$rev"
430)
431fetch_in_submodule () (
433 sanitize_submodule_env &&
434 cd "$1" &&
435 case "$2" in
436 '')
437 git fetch ;;
438 *)
439 shift
440 git fetch $(get_default_remote) "$@" ;;
441 esac
442)
443#
445# Update each submodule path to correct revision, using clone and checkout as needed
446#
447# $@ = requested paths (default to all)
448#
449cmd_update()
450{
451 # parse $args after "submodule ... update".
452 while test $# -ne 0
453 do
454 case "$1" in
455 -q|--quiet)
456 GIT_QUIET=1
457 ;;
458 -v)
459 GIT_QUIET=0
460 ;;
461 --progress)
462 progress=1
463 ;;
464 -i|--init)
465 init=1
466 ;;
467 --remote)
468 remote=1
469 ;;
470 -N|--no-fetch)
471 nofetch=1
472 ;;
473 -f|--force)
474 force=$1
475 ;;
476 -r|--rebase)
477 update="rebase"
478 ;;
479 --reference)
480 case "$2" in '') usage ;; esac
481 reference="--reference=$2"
482 shift
483 ;;
484 --reference=*)
485 reference="$1"
486 ;;
487 --dissociate)
488 dissociate=1
489 ;;
490 -m|--merge)
491 update="merge"
492 ;;
493 --recursive)
494 recursive=1
495 ;;
496 --checkout)
497 update="checkout"
498 ;;
499 --recommend-shallow)
500 recommend_shallow="--recommend-shallow"
501 ;;
502 --no-recommend-shallow)
503 recommend_shallow="--no-recommend-shallow"
504 ;;
505 --depth)
506 case "$2" in '') usage ;; esac
507 depth="--depth=$2"
508 shift
509 ;;
510 --depth=*)
511 depth=$1
512 ;;
513 -j|--jobs)
514 case "$2" in '') usage ;; esac
515 jobs="--jobs=$2"
516 shift
517 ;;
518 --jobs=*)
519 jobs=$1
520 ;;
521 --)
522 shift
523 break
524 ;;
525 -*)
526 usage
527 ;;
528 *)
529 break
530 ;;
531 esac
532 shift
533 done
534 if test -n "$init"
536 then
537 cmd_init "--" "$@" || return
538 fi
539 {
541 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
542 ${progress:+"--progress"} \
543 ${wt_prefix:+--prefix "$wt_prefix"} \
544 ${prefix:+--recursive-prefix "$prefix"} \
545 ${update:+--update "$update"} \
546 ${reference:+"$reference"} \
547 ${dissociate:+"--dissociate"} \
548 ${depth:+--depth "$depth"} \
549 $recommend_shallow \
550 $jobs \
551 "$@" || echo "#unmatched" $?
552 } | {
553 err=
554 while read -r quickabort sha1 just_cloned sm_path
555 do
556 die_if_unmatched "$quickabort" "$sha1"
557 git submodule--helper ensure-core-worktree "$sm_path" || exit 1
559 update_module=$(git submodule--helper update-module-mode $just_cloned "$sm_path" $update)
561 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
563 if test $just_cloned -eq 1
565 then
566 subsha1=
567 else
568 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
569 git rev-parse --verify HEAD) ||
570 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
571 fi
572 if test -n "$remote"
574 then
575 branch=$(git submodule--helper remote-branch "$sm_path")
576 if test -z "$nofetch"
577 then
578 # Fetch remote before determining tracking $sha1
579 fetch_in_submodule "$sm_path" $depth ||
580 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
581 fi
582 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
583 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
584 git rev-parse --verify "${remote_name}/${branch}") ||
585 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
586 fi
587 if test "$subsha1" != "$sha1" || test -n "$force"
589 then
590 subforce=$force
591 # If we don't already have a -f flag and the submodule has never been checked out
592 if test -z "$subsha1" && test -z "$force"
593 then
594 subforce="-f"
595 fi
596 if test -z "$nofetch"
598 then
599 # Run fetch only if $sha1 isn't present or it
600 # is not reachable from a ref.
601 is_tip_reachable "$sm_path" "$sha1" ||
602 fetch_in_submodule "$sm_path" $depth ||
603 say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
604 # Now we tried the usual fetch, but $sha1 may
606 # not be reachable from any of the refs
607 is_tip_reachable "$sm_path" "$sha1" ||
608 fetch_in_submodule "$sm_path" $depth "$sha1" ||
609 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
610 fi
611 must_die_on_failure=
613 case "$update_module" in
614 checkout)
615 command="git checkout $subforce -q"
616 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
617 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
618 ;;
619 rebase)
620 command="git rebase"
621 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
622 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
623 must_die_on_failure=yes
624 ;;
625 merge)
626 command="git merge"
627 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
628 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
629 must_die_on_failure=yes
630 ;;
631 !*)
632 command="${update_module#!}"
633 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
634 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
635 must_die_on_failure=yes
636 ;;
637 *)
638 die "$(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")"
639 esac
640 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
642 then
643 say "$say_msg"
644 elif test -n "$must_die_on_failure"
645 then
646 die_with_status 2 "$die_msg"
647 else
648 err="${err};$die_msg"
649 continue
650 fi
651 fi
652 if test -n "$recursive"
654 then
655 (
656 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
657 wt_prefix=
658 sanitize_submodule_env
659 cd "$sm_path" &&
660 eval cmd_update
661 )
662 res=$?
663 if test $res -gt 0
664 then
665 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
666 if test $res -ne 2
667 then
668 err="${err};$die_msg"
669 continue
670 else
671 die_with_status $res "$die_msg"
672 fi
673 fi
674 fi
675 done
676 if test -n "$err"
678 then
679 OIFS=$IFS
680 IFS=';'
681 for e in $err
682 do
683 if test -n "$e"
684 then
685 echo >&2 "$e"
686 fi
687 done
688 IFS=$OIFS
689 exit 1
690 fi
691 }
692}
693#
695# Show commit summary for submodules in index or working tree
696#
697# If '--cached' is given, show summary between index and given commit,
698# or between working tree and given commit
699#
700# $@ = [commit (default 'HEAD'),] requested paths (default all)
701#
702cmd_summary() {
703 summary_limit=-1
704 for_status=
705 diff_cmd=diff-index
706 # parse $args after "submodule ... summary".
708 while test $# -ne 0
709 do
710 case "$1" in
711 --cached)
712 cached="$1"
713 ;;
714 --files)
715 files="$1"
716 ;;
717 --for-status)
718 for_status="$1"
719 ;;
720 -n|--summary-limit)
721 summary_limit="$2"
722 isnumber "$summary_limit" || usage
723 shift
724 ;;
725 --summary-limit=*)
726 summary_limit="${1#--summary-limit=}"
727 isnumber "$summary_limit" || usage
728 ;;
729 --)
730 shift
731 break
732 ;;
733 -*)
734 usage
735 ;;
736 *)
737 break
738 ;;
739 esac
740 shift
741 done
742 test $summary_limit = 0 && return
744 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
746 then
747 head=$rev
748 test $# = 0 || shift
749 elif test -z "$1" || test "$1" = "HEAD"
750 then
751 # before the first commit: compare with an empty tree
752 head=$(git hash-object -w -t tree --stdin </dev/null)
753 test -z "$1" || shift
754 else
755 head="HEAD"
756 fi
757 if [ -n "$files" ]
759 then
760 test -n "$cached" &&
761 die "$(gettext "The --cached option cannot be used with the --files option")"
762 diff_cmd=diff-files
763 head=
764 fi
765 cd_to_toplevel
767 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
768 # Get modified modules cared by user
769 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
770 sane_egrep '^:([0-7]* )?160000' |
771 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
772 do
773 # Always show modules deleted or type-changed (blob<->module)
774 if test "$status" = D || test "$status" = T
775 then
776 printf '%s\n' "$sm_path"
777 continue
778 fi
779 # Respect the ignore setting for --for-status.
780 if test -n "$for_status"
781 then
782 name=$(git submodule--helper name "$sm_path")
783 ignore_config=$(get_submodule_config "$name" ignore none)
784 test $status != A && test $ignore_config = all && continue
785 fi
786 # Also show added or modified modules which are checked out
787 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
788 printf '%s\n' "$sm_path"
789 done
790 )
791 test -z "$modules" && return
793 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
795 sane_egrep '^:([0-7]* )?160000' |
796 cut -c2- |
797 while read -r mod_src mod_dst sha1_src sha1_dst status name
798 do
799 if test -z "$cached" &&
800 is_zero_oid $sha1_dst
801 then
802 case "$mod_dst" in
803 160000)
804 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
805 ;;
806 100644 | 100755 | 120000)
807 sha1_dst=$(git hash-object $name)
808 ;;
809 000000)
810 ;; # removed
811 *)
812 # unexpected type
813 eval_gettextln "unexpected mode \$mod_dst" >&2
814 continue ;;
815 esac
816 fi
817 missing_src=
818 missing_dst=
819 test $mod_src = 160000 &&
821 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
822 missing_src=t
823 test $mod_dst = 160000 &&
825 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
826 missing_dst=t
827 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
829 total_commits=
831 case "$missing_src,$missing_dst" in
832 t,)
833 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
834 ;;
835 ,t)
836 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
837 ;;
838 t,t)
839 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
840 ;;
841 *)
842 errmsg=
843 total_commits=$(
844 if test $mod_src = 160000 && test $mod_dst = 160000
845 then
846 range="$sha1_src...$sha1_dst"
847 elif test $mod_src = 160000
848 then
849 range=$sha1_src
850 else
851 range=$sha1_dst
852 fi
853 GIT_DIR="$name/.git" \
854 git rev-list --first-parent $range -- | wc -l
855 )
856 total_commits=" ($(($total_commits + 0)))"
857 ;;
858 esac
859 sha1_abbr_src=$(GIT_DIR="$name/.git" git rev-parse --short $sha1_src 2>/dev/null ||
861 echo $sha1_src | cut -c1-7)
862 sha1_abbr_dst=$(GIT_DIR="$name/.git" git rev-parse --short $sha1_dst 2>/dev/null ||
863 echo $sha1_dst | cut -c1-7)
864 if test $status = T
866 then
867 blob="$(gettext "blob")"
868 submodule="$(gettext "submodule")"
869 if test $mod_dst = 160000
870 then
871 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
872 else
873 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
874 fi
875 else
876 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
877 fi
878 if test -n "$errmsg"
879 then
880 # Don't give error msg for modification whose dst is not submodule
881 # i.e. deleted or changed to blob
882 test $mod_dst = 160000 && echo "$errmsg"
883 else
884 if test $mod_src = 160000 && test $mod_dst = 160000
885 then
886 limit=
887 test $summary_limit -gt 0 && limit="-$summary_limit"
888 GIT_DIR="$name/.git" \
889 git log $limit --pretty='format: %m %s' \
890 --first-parent $sha1_src...$sha1_dst
891 elif test $mod_dst = 160000
892 then
893 GIT_DIR="$name/.git" \
894 git log --pretty='format: > %s' -1 $sha1_dst
895 else
896 GIT_DIR="$name/.git" \
897 git log --pretty='format: < %s' -1 $sha1_src
898 fi
899 echo
900 fi
901 echo
902 done
903}
904#
905# List all submodules, prefixed with:
906# - submodule not initialized
907# + different revision checked out
908#
909# If --cached was specified the revision in the index will be printed
910# instead of the currently checked out revision.
911#
912# $@ = requested paths (default to all)
913#
914cmd_status()
915{
916 # parse $args after "submodule ... status".
917 while test $# -ne 0
918 do
919 case "$1" in
920 -q|--quiet)
921 GIT_QUIET=1
922 ;;
923 --cached)
924 cached=1
925 ;;
926 --recursive)
927 recursive=1
928 ;;
929 --)
930 shift
931 break
932 ;;
933 -*)
934 usage
935 ;;
936 *)
937 break
938 ;;
939 esac
940 shift
941 done
942 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
944}
945#
946# Sync remote urls for submodules
947# This makes the value for remote.$remote.url match the value
948# specified in .gitmodules.
949#
950cmd_sync()
951{
952 while test $# -ne 0
953 do
954 case "$1" in
955 -q|--quiet)
956 GIT_QUIET=1
957 shift
958 ;;
959 --recursive)
960 recursive=1
961 shift
962 ;;
963 --)
964 shift
965 break
966 ;;
967 -*)
968 usage
969 ;;
970 *)
971 break
972 ;;
973 esac
974 done
975 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
977}
978cmd_absorbgitdirs()
980{
981 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
982}
983# This loop parses the command line arguments to find the
985# subcommand name to dispatch. Parsing of the subcommand specific
986# options are primarily done by the subcommand implementations.
987# Subcommand specific options such as --branch and --cached are
988# parsed here as well, for backward compatibility.
989while test $# != 0 && test -z "$command"
991do
992 case "$1" in
993 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
994 command=$1
995 ;;
996 -q|--quiet)
997 GIT_QUIET=1
998 ;;
999 -b|--branch)
1000 case "$2" in
1001 '')
1002 usage
1003 ;;
1004 esac
1005 branch="$2"; shift
1006 ;;
1007 --cached)
1008 cached="$1"
1009 ;;
1010 --)
1011 break
1012 ;;
1013 -*)
1014 usage
1015 ;;
1016 *)
1017 break
1018 ;;
1019 esac
1020 shift
1021done
1022# No command word defaults to "status"
1024if test -z "$command"
1025then
1026 if test $# = 0
1027 then
1028 command=status
1029 else
1030 usage
1031 fi
1032fi
1033# "-b branch" is accepted only by "add"
1035if test -n "$branch" && test "$command" != add
1036then
1037 usage
1038fi
1039# "--cached" is accepted only by "status" and "summary"
1041if test -n "$cached" && test "$command" != status && test "$command" != summary
1042then
1043 usage
1044fi
1045"cmd_$command" "$@"